Christensen & Wisnet - Appleton's Experienced HVAC Services

If your furnace won't ignite in the cold, it's often due to issues like a dirty flame sensor, faulty igniter, or gas valve problems—common in our area's older systems. Christensen & Wisnet offers prompt repair services to diagnose and fix these issues, ensuring your home stays warm. As a local family business since 1966, we understand Appleton's harsh winters and prioritize emergency calls to prevent prolonged discomfort.

We recommend annual maintenance, ideally in spring for cooling systems and fall for heating, to keep your HVAC running efficiently through Appleton's seasonal extremes. Our maintenance services include cleaning components like condenser coils—which can get dirty from local pollen and debris—checking for wear, and ensuring proper operation. Regular upkeep helps prevent breakdowns and extends your system's lifespan, saving you money on repairs.

As a fifth-generation family business founded here in 1966, we combine decades of local experience with a personal commitment to our community. John Christensen, who grew up in Appleton, ensures every installation is handled fairly and meets your expectations. We focus on reliable, energy-efficient systems suited to Appleton's climate, and our team provides clear communication and support from start to finish, backed by our long-standing reputation.